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Memes are broadly defined as culturally transmitted information, or ideas and beliefs that can be spread from one organism, or group of organisms, to another. A key component to the meme concept is that the information is able to self-replicate, and in turn undergoes a type of natural selection, much like genes.Internet memes are associated with media, catchphrases, and more general trends that spread throughout various outlets on the World Wide Web like chat clients, blogs, social networking sites, email, forums and image boards. They�re often used to point out how trends online evolve and change over time, creating various new derivatives.The cat is a small, usually furry, domesticated, carnivorous mammal that is valued by humans for its companionship and for its ability to hunt vermin and household pests. It is currently the most popular pet in the world.Pictures of cats have been shared online as early as since the days of Usenet.